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  1. Callback (computer programming) - Wikipedia

    In computer programming, a callback is programming pattern in which a function reference is passed from one context (consumer) to another (provider) such that the provider can call the …

  2. language agnostic - What is a callback function? - Stack Overflow

    May 5, 2009 · A callback function, also known as a higher-order function, is a function that is passed to another function as a parameter, and the callback function is called (or executed) …

  3. JavaScript Callbacks - W3Schools

    A callback is a function passed as an argument to another function. This technique allows a function to call another function. A callback function can run after another function has …

  4. Callback function - Glossary | MDN

    Aug 19, 2025 · A callback function is a function passed into another function as an argument, which is then invoked inside the outer function to complete some kind of routine or action.

  5. JavaScript Callbacks - GeeksforGeeks

    Aug 2, 2025 · A callback function is a function that is passed as an argument to another function and executed later. A function can accept another function as a parameter. Callbacks allow …

  6. What is a callback, anyway? - Code Fellows

    May 10, 2014 · In computer programming, a callback is a piece of executable code that is passed as an argument to other code, which is expected to call back (execute) the argument at some …

  7. What Is Callback? Definition, How It Works, Uses, and Examples

    May 18, 2025 · A callback is a function passed into another function and executed later. Learn how callbacks work, why they matter, common examples, and challenges.

  8. Introduction: callbacks - The Modern JavaScript Tutorial

    Jun 18, 2022 · That’s called a “callback-based” style of asynchronous programming. A function that does something asynchronously should provide a callback argument where we put the …

  9. How To Easily Understand Callbacks In JavaScript - Khalil …

    Understanding callbacks in JavaScript is one of the very first things that anyone starting to program with JavaScript should know. It's also one of the more difficult concepts for …

  10. How to Use Callback Functions in JavaScript - freeCodeCamp.org

    Jul 3, 2024 · You can do this using JavaScript's callback functions, which showcase JavaScript's ability to handle asynchronous operations. Let's explore what callback functions are, how they …